Steps for loop free topology?

A loop-free topology is a network design that does not contain any loops or circular paths. This is important because loops can cause problems in a network, such as broadcast storms and excessive bandwidth consumption. Here are some steps you can follow to design a loop-free topology: By following these steps, you can design and … Read more

CCNA Certification cost in USA? by Certified Trainer

How much does the CCNA exam cost in the United States? What is the fee for the CCNA certification in the USA? Can you provide information on the cost of the CCNA exam in the United States? How much does it cost to take the CCNA exam in the United States? Is there a fee … Read more

Top 10 CCNA Survival Commands

There are a lot of commands with Cisco Router and Switch IOS, whereas If I talk about the survival command list top 10 at associate level, these are the top 10 ccna survival commands which each network administrator must know. No. 1: HELP ? That is the actual help on a specific mode. The question … Read more

ACL Access Control List | CCNA

Rules Cisco routers support two types of ACLs: •Standard ACLs – ACLs only filter at Layer 3 using the source IPv4 address only. •Extended ACLs – ACLs filter at Layer 3 using the source and / or destination IPv4 address. They can also filter at Layer 4 using TCP, UDP ports, and optional protocol type information for … Read more

OSPF Packet Types

The following list describes the five different types of OSPF link-state packets (LSP). Each packetserves a specific purpose in the OSPF routing process. 1. Hello: Used to establish and maintain adjacency with other OSPF routers 2. Database description (DBD): Contains an abbreviated list of the sending router’s link-statedatabase and is used by receiving routers to … Read more